| Value | Category | Cases | |
|---|---|---|---|
| 1 | Many times | 138642 |
29.5%
|
| 2 | Two or three times | 137448 |
29.2%
|
| 3 | Once | 92879 |
19.8%
|
| 4 | Not at all | 100960 |
21.5%
|
| 7 | N/A | 515 | |
| 8 | Invalid | 1488 | |
| 9 | Miss | 44026 |